Delete all data

The idea of the data fusion scheme is to delete all data within the association threshold and the track starting module is processed again for the rest of data.

数据融合的思路是，删除所有关联门限内的数据，将剩余数据再进行航迹起始模块处理。

Use extreme care when using this command, since it will delete all of your tables along with their data.

在使用这个命令时要特别小心，因为这会删除所有的表以及表中的数据。

In some cases, you may have to unload the tables, delete all the data, change the database design, then reload the data.

在某些情况中，您还需要删除表以及表中的所有数据，修改数据库的设计，然后重新加载数据。